90090650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:336

約数の個数: 96

約数和(自身を含む): 197987328

約数和(自身を除く): 107896678

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 31, 34, 50, 62, 65, 85, 130, 155, 170, 221, 263, 310, 325, 403, 425, 442, 526, 527, 650, 775, 806, 850, 1054, 1105, 1315, 1550, 2015, 2210, 2630, 2635, 3419, 4030, 4471, 5270, 5525, 6575, 6838, 6851, 8153, 8942, 10075, 11050, 13150, 13175, 13702, 16306, 17095, 20150, 22355, 26350, 34190, 34255, 40765, 44710, 58123, 68510, 81530, 85475, 105989, 111775, 116246, 138601, 170950, 171275, 203825, 211978, 223550, 277202, 290615, 342550, 407650, 529945, 581230, 693005, 1059890, 1386010, 1453075, 1801813, 2649725, 2906150, 3465025, 3603626, 5299450, 6930050, 9009065, 18018130, 45045325, 90090650]

約数ペア:

[(1, 90090650), (2, 45045325), (5, 18018130), (10, 9009065), (13, 6930050), (17, 5299450), (25, 3603626), (26, 3465025), (31, 2906150), (34, 2649725), (50, 1801813), (62, 1453075), (65, 1386010), (85, 1059890), (130, 693005), (155, 581230), (170, 529945), (221, 407650), (263, 342550), (310, 290615), (325, 277202), (403, 223550), (425, 211978), (442, 203825), (526, 171275), (527, 170950), (650, 138601), (775, 116246), (806, 111775), (850, 105989), (1054, 85475), (1105, 81530), (1315, 68510), (1550, 58123), (2015, 44710), (2210, 40765), (2630, 34255), (2635, 34190), (3419, 26350), (4030, 22355), (4471, 20150), (5270, 17095), (5525, 16306), (6575, 13702), (6838, 13175), (6851, 13150), (8153, 11050), (8942, 10075)]